They have to pay attention to the presence of a true god in a pathway as it will affect how they progress and how far they will progress. The second most important factor is the utility and power of the pathway to them.
The pathway of giants, for instance, would enhance the attack power of their pathway of killing immensely. As the pathway for the physically strongest and known as the pathway of unstoppable force, it would surely compliment the path of killing and go well with the path of undying by enhancing their physical defenses. So it has a very high utility for them.
Unfortunately for them, the pathway of giants has a true god. It is also one who doesn't like anyone to challenge him and frequently kills high-ranking godclads in his pathway to prevent them from ever becoming a threat to him. So they had to eliminate that pathway from their options.
